Global Patent Index - EP 2539381 A1

EP 2539381 A1 20130102 - METHOD FOR PRODUCING WATER-ABSORBING POLYMER PARTICLES

Title (en)

METHOD FOR PRODUCING WATER-ABSORBING POLYMER PARTICLES

Title (de)

VERFAHREN ZUR HERSTELLUNG WASSERABSORBIERENDER POLYMERPARTIKEL

Title (fr)

PROCÉDÉ POUR PRODUIRE DES PARTICULES DE POLYMÈRES HYDROABSORBANTES

Publication

EP 2539381 A1 20130102 (DE)

Application

EP 11703228 A 20110215

Priority

  • EP 10154521 A 20100224
  • EP 2011052193 W 20110215
  • EP 11703228 A 20110215

Abstract (en)

[origin: WO2011104139A1] The invention relates to a method for producing water-absorbing polymer particles, in which an aqueous polymer gel is dried in a circulating air belt dryer on a continuous conveyor belt and the surface of the conveyor belt has a plurality of raised regions or recesses which are suitable for limiting the mobility of the aqueous polymer gel in the transversal direction.

IPC 8 full level

A61L 15/12 (2006.01); C08F 6/00 (2006.01); C08F 220/06 (2006.01)

CPC (source: EP)

C08F 220/06 (2013.01); F26B 17/04 (2013.01)

Citation (search report)

See references of WO 2011104139A1

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DOCDB simple family (publication)

WO 2011104139 A1 20110901; CN 102762617 A 20121031; EP 2539381 A1 20130102; JP 2013520539 A 20130606

DOCDB simple family (application)

EP 2011052193 W 20110215; CN 201180010733 A 20110215; EP 11703228 A 20110215; JP 2012554286 A 20110215